Exclude lines which have blanks at certain positions

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1. Shell Programming and Scripting

Replacing certain positions in lines with spaces

Hello, I have a file with hundreds of lines. Now I need to replace positions 750-766 in each line (whatever there is there) with spaces... how can I do that? Which command to use? The result will be all the lines in the file will have spaces in positions 750-766. Thanks!

2. Shell Programming and Scripting

Exclude multiple lines using grep

Hi, I'm working on a shell script that reports service status on a database server. There are some services that are in disabled status that the script should ignore and only check the services that are in Enabled status. I output the service configuration to a file and use that information to...

3. Shell Programming and Scripting

Filter lines based on values at specific positions

hi. I have a Fixed Length text file as input where the character positions 4-5(two character positions starting from 4th position) indicates the LOB indicator. The file structure is something like below: 10126Apple DrinkOmaha 10231Milkshake New Jersey 103 Billabong Illinois ...

4. Shell Programming and Scripting

File lines starts with # not processed or exclude that lines from processing

I have a file like below #Fields section bald 1234 2345 456 222 abcs dddd dddd ssss mmmm mmm mmm i need do not process a files stating with # I was written code below while read -r line do if then echo ${line} >> elif then ...

5. Shell Programming and Scripting

File lines starts with # not processed or exclude that lines

I have requirement in my every files starting lines have # needs to be not processing or exclude the that lines. I have written a code like below, but now working as expected getting ERROR" line 60: 1 #!/bin/sh 2 echo ======= LogManageri start ========== 3 4 #This directory is...

6. Shell Programming and Scripting

awk script replace positions if certain positions equal prescribed value

I am attempting to replace positions 44-46 with YYY if positions 48-50 = XXX. awk -F "" '{if (substr($0,48,3)=="XXX") $44="YYY"}1' OFS="" $filename > $tempfile But this is not working, 44-46 is still spaces in my tempfile instead of YYY. Any suggestions would be greatly appreciated.

7. Shell Programming and Scripting

regular expression grepping lines with VARIOUS number of blanks

Hi, I need a regular expression grepping all lines starting with '*' followed by a VARIOUS number of blanks and then followed by the string 'Runjob=1'. I tried that code, but it doesn't work: grep -i '*'+'Runjob=1' INPUT_FILE >>OUTPUT_FILE Can someone help me? Thanks

8. Shell Programming and Scripting

exclude lines in a loop

I use while do - done loop in my shell script. It is working as per my expectations. But I do not want to process all the lines. I am finding it difficult to exclude certain lines. 1) I do not want to process blank lines as well as lines those start with a space " " 2) I do not want to...

9. Shell Programming and Scripting

awk modifying entries on 2 lines at 2 positions

Hi this script adds text in the correct place on one line only, in a script. awk 'BEGIN{ printf "Enter residue and chain information: " getline var < "-" split(var,a) } /-s rec:/{$7=a; } {print}' FLXDOCK but I need the same info added at position 7 on line 34 and...

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